XpdfWidget works with Qt 4.x and Qt 5.x.

Gnostice XtremeDocumentStudio .NET is the next-generation multi-format document-processing component suite for .NET developers. It has controls for viewing, printing, and converting PDF, DOCX, DOC, BMP, JPEG, PNG, WMF, EMF, TIFF and MTIFF. XtremeDocumentStudio comes with advanced multi-format document viewer controls for WinForms, WebForms, MVC, WPF, and HTML5. It also supports template-based DOCX/DOC mail-merge document creation. It can intelligently reconstruct page elements when converting PDF to DOCX. It can create PDF portfolios. Some features such as programmatic document-creation and document-editing are in a preview or beta stage.

XtremeDocumentStudio .NET is based on 100% managed code and does not require external software or libraries such as Microsoft Word, Open XML SDK, Word Automation Services, Adobe PDF library or GhostScript. Please note that the OCR functionality is an optional feature and relies on an unmanaged component.